ManTech International Corporation (Nasdaq: MANT), a leading provider of innovative technologies and solutions for mission-critical national security programs, announced today that it was awarded a $40 million contract from the Naval Surface Warfare Center (NSWC) Indian Head Division to provide engineering, technical, system safety, human system integration (HSI), training, and program management support. The single award, indefinite-delivery, indefinite-quantity contract has one base-year and four option years.

ManTech will continue its long history of support to the NSWC and its many key defense and Navy customers, providing a broad range of services including information technology and assurance and studies and analyses on electronic warfare and related systems in areas such as systems engineering, systems maintenance, risk assessment, and the ability of systems to meet operational requirements.

“ManTech has supported NSWC for more than twenty years, and we are pleased to be able to continue to provide essential mission support to the Navy and Joint Forces commands,” said Terry Ryan, President, ManTech Systems Engineering and Advanced Technology group. “ManTech, in collaboration with the NSWC, will help improve research and development capabilities and develop tactics both for training and HSI integration.”

About ManTech International Corporation:

Headquartered in Fairfax, Virginia with approximately 8,900 professionals, ManTech International Corporation is a leading provider of innovative technologies and solutions for mission-critical national security programs for the Intelligence Community; the departments of Defense, State, Homeland Security and Justice; the Space Community; National Oceanic and Atmospheric Administration; and other U.S. federal government customers. ManTech's expertise includes systems engineering and integration, enterprise architecture, cyber security, information assurance, intelligence operations and analysis support, network and critical infrastructure protection, information operations and information warfare support, information technology, communications integration, global logistics and supply chain management, and service oriented architecture. The company operates in the United States and 40 countries. Additional information on ManTech can be found at www.mantech.com.

Forward-Looking Information:

Statements in this announcement, other than historical data and information, constitute forward-looking statements that involve risks and uncertainties. A number of factors could cause our actual results, performance, achievements, or industry results to be very different from the results, performance, or achievements expressed or implied by such forward-looking statements. Some of these factors include, but are not limited to, the risk factors set forth in ManTech's Annual Report on Form 10-K for the period ended December 31, 2009, and other such filings that ManTech makes with the SEC from time to time. Due to such uncertainties and risks, readers are cautioned not to place undue reliance on such forward-looking statements, which speak only as of the date hereof.

Copyright Business Wire 2010